-
335
Aristotle
Aristotle had not believed in the Atomic Theory. He had thought earth's materials were made of the four elements earth, fire, water, and air. -
460
Democritus
Democritus was the man who had constructed the idea of atoms.Yet at first it was his mentor's theoery, it had been adopted to him. -
Antoine Lavoisier
He had created The Law of Conservation of Mass. Was known has the "Father of modern Chemisrty" -
Joseph Louis Proust
He formulated the Law of Constant Composition. It investigates the ratio of compounds. -
John Dalton
He had proposed the Law of Multiple Proportions. Also, he had constructed the mole. -
Michael Faraday
Michael found ways to test electricity on solutions. -
J.J. Thomson
Thomson had discovered that atoms could be seperated. He also found out that atoms are both positive and negative charged. -
Max Planck
Max is known for creating the quantum theory. This allowed him to calculate photons. -
Henri Becquerel
Had con tributes with discovery of radioactive activity -
Albert Einstein
Einstein had used an experiment were he beamed light at a piece of metal. This showed the photoelectric effect that releases atoms. -
Robert Milkan
Robnert had figured out a way to calculate the mass of an electron. -
Ernest Rutherford
Ernest had came up with the gold foil experiment for his discovery of Rutherford scattering. -
Pierre and Marie Curie
Marie had found a way to separate radium. -
Niels Bohr
Bohr had created the Bohr Model. This led to him to his discovery of electrons orbiting the atomic nucleus. -
Louis DeBrogile
He had developed a wave mechanics theory which helps with the atomic scale. -
James Chadwick
James had found the discovery of neutrons. -
Erwin Schrodinger
He had an interpretation of wave lengths. -
Lisa Meitner
She had realized that the heavier the element the more neutrons it picks up. -
Glen Seaborg
He was the man who rearranged the periodic table -
Otto Hahn
He had discovered nuclear fission. -
Electron Cloud Model
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Invisible, solid sphere model
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Plum Pudding Model
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Planetary Model
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Quantum Mechanical Model
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Quantum Mechanical Model
